panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 236 [running]: panic({0x3f4de0, 0xc000046078}) GOROOT/src/runtime/panic.go:987 +0x3bb fp=0xc000b08c70 sp=0xc000b08bb0 pc=0x11a02bb runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:139 +0x7f fp=0xc000b08cb0 sp=0xc000b08c70 pc=0x119e4ff gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc00023eb40, {0xc000046058, 0x8, 0x8}) pkg/sentry/fsimpl/fuse/request_response.go:54 +0x9e5 fp=0xc000b08d18 sp=0xc000b08cb0 pc=0x207d165 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc00023eb40?, {0xc000046058, 0x8, 0x8}) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:30 +0x65 fp=0xc000b08d68 sp=0xc000b08d18 pc=0x20836a5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc000b08f88, {0x739c90, 0xc00023eb40}) pkg/sentry/fsimpl/fuse/request_response.go:225 +0x27a fp=0xc000b08dd8 sp=0xc000b08d68 pc=0x207df9a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc000d02c60?, 0xc000b7f500?, 0x0?) pkg/sentry/fsimpl/fuse/connection_control.go:100 +0x125 fp=0xc000b08e98 sp=0xc000b08dd8 pc=0x20634c5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc0001ce0e0, {0x73cf18, 0xc000b7f500}, 0xc000b08f88) pkg/sentry/fsimpl/fuse/dev.go:363 +0x112 fp=0xc000b08ee8 sp=0xc000b08e98 pc=0x2067872 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc0001ce0e0, {0x73cf18, 0xc000b7f500}, 0xc000a67f80) pkg/sentry/fsimpl/fuse/dev.go:326 +0x2c6 fp=0xc000b08fc8 sp=0xc000b08ee8 pc=0x2067346 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc0001ce0e0, {0x73cf18, 0xc000b7f500}, {{0x7375b0, 0xc00067e000}, {0x0, 0x1, 0x20000080, 0x18}, {0x0, ...}}, ...) pkg/sentry/fsimpl/fuse/dev.go:250 +0x616 fp=0xc000b091d0 sp=0xc000b08fc8 pc=0x2066396 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc0001ce0e0, {0x73cf18, 0xc000b7f500}, {{0x7375b0, 0xc00067e000}, {0x0, 0x1, 0x20000080, 0x18}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:674 +0x152 fp=0xc000b09298 sp=0xc000b091d0 pc=0x17165b2 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc0000124b0?, 0x4c8abb?, {{0x7375b0, 0xc00067e000}, {0x0, 0x1, 0x20000080, 0x18}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0xae fp=0xc000b09428 sp=0xc000b09298 pc=0x1cffe8e gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc000b7f500, {{0x3}, {0x20000080}, {0x18}, {0x7fcc908fde78}, {0x7fcc908fde78}, {0x7fcc908fde78}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x34f fp=0xc000b095c8 sp=0xc000b09428 pc=0x1cff42f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000b7f500, 0x1, {{0x3}, {0x20000080}, {0x18}, {0x7fcc908fde78}, {0x7fcc908fde78}, {0x7fcc908fde78}}) pkg/sentry/kernel/task_syscall.go:142 +0xab7 fp=0xc000b099e0 sp=0xc000b095c8 pc=0x1ac4c77 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000b7f500, 0x1?, {{0x3}, {0x20000080}, {0x18}, {0x7fcc908fde78}, {0x7fcc908fde78}, {0x7fcc908fde78}}) pkg/sentry/kernel/task_syscall.go:322 +0x8e fp=0xc000b09a80 sp=0xc000b099e0 pc=0x1ac6d8e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000b7c1e0?, 0xc000b09baf?, {{0x3}, {0x20000080}, {0x18}, {0x7fcc908fde78}, {0x7fcc908fde78}, {0x7fcc908fde78}}) pkg/sentry/kernel/task_syscall.go:282 +0xc5 fp=0xc000b09af8 sp=0xc000b09a80 pc=0x1ac6685 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000b7f500) pkg/sentry/kernel/task_syscall.go:257 +0x53b fp=0xc000b09c20 sp=0xc000b09af8 pc=0x1ac619b gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000b7f500?, 0xc000b7f500) pkg/sentry/kernel/task_run.go:259 +0x2074 fp=0xc000b09ec0 sp=0xc000b09c20 pc=0x1aaef14 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000b7f500, 0xf) pkg/sentry/kernel/task_run.go:94 +0x2cc fp=0xc000b09fb0 sp=0xc000b09ec0 pc=0x1aac4cc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:377 +0x48 fp=0xc000b09fe0 sp=0xc000b09fb0 pc=0x1ac2368 runtime.goexit() src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000b09fe8 sp=0xc000b09fe0 pc=0x11d9161 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:377 +0x1da